FS#2244 - This package odhcpd-ipv6only cannot send IPv6 addresses to the lower level. #7127
Comments
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dedeckeh: If you would be capable of taking a tcpdump trace I'm interested to see the contents of the RA messages on the lan |
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PussAzuki: I am sorry that the content I wrote is similar to other posts, but I am really a newcomer in this field.And I am currently using Windows, it seems that I can't do tcpdump.But after reading another article you said, I also improved the log level.Here you are |
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PussAzuki: On Windows, I manually set the IPv6 address and gateway first, then I changed the automatic access method to directly lose the access rights of IPv6.So this is why the log may look a bit strange |
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PussAzuki: OK，finally I got one |
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dedeckeh: Could you take the tcpdump as follows : tcpdump -i br-lan -vvv ip6 |
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PussAzuki: I use windump on Windows,and my link interface is 1 . |
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PussAzuki: Now I am using dnsmasq-full and no such problem any more. |
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dedeckeh: Be patient; a fix is coming ... |
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dedeckeh: Fixed in commit https://git.openwrt.org/?p=project/odhcpd.git;a=commit;h=6633efeb8196853503305c2714ba6830c8d9c70b |
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PussAzuki: Thank you for helping me. |
PussAzuki:
Supply the following if possible:
Hello, this occurs on PSG1218 (MTK MIPS) on fresh build from trunk. Issue only started after the odhcpd commit on 4/17.
I have been using this configuration before.And I use 6in4 tunnel.
config interface 'losangeles'
option proto '6in4'
option ipaddr 'xxx.xxx.xxx.xxx'
option peeraddr '66.220.18.42'
option ip6addr '2001:470:x:xxxx::2/64'
option ip6prefix '2001:470:y:xxxx::/64'
option mtu '1424'
config dhcp 'lan'
option interface 'lan'
option ra 'server'
option start '2'
option limit '63'
option leasetime '48h'
option ra_management '1'
option dhcpv6 'server'
config odhcpd 'odhcpd'
option maindhcp '0'
option leasefile '/tmp/hosts/odhcpd'
option leasetrigger '/usr/sbin/odhcpd-update'
option loglevel '4'
Everything looks the same as before, at least from the router side.But all the subordinate devices can't get ipv6 related.I tried for a long time to find the problem on the router side or the tunnel problem.Then I found that I used the 6in4 tunnel with the computer with windows or the router itself.If you manually set the ipv6 address and gateway on Windows, it can be used normally.So, it is obviously a problem with the package odhcp.I urgently hope that someone can help me.
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